#include "stdlib_p.h"
#include <errno.h>

long double strtold(char const * restrict ptr, char ** restrict endptr)
{
	long double ld = 0;
	if(endptr)
		*endptr = (char *)ptr;

	struct __scanf_input in = { .str = ptr, .fp = NULL };
	__scanf_start(&in);
	int err = __strto_fp(&in, NULL, NULL, &ld, INT_MAX);
	__scanf_end(&in);

	if(err != 0)
		errno = (err == EOF) ? EINVAL : err;
	if(err != EINVAL && endptr)
		*endptr = (char *)in.str;
	return ld;
}